Graphene and method for preparing same
US-2020156947-A1 · May 21, 2020 · US
by epitaxial growth
by epitaxial growth · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B32/188 |
| Official title | by epitaxial growth |
| Display label | by epitaxial growth |
| Total patents | 93 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 3 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Voltage tunable solar blindness in tfs grown eg/sic schottky contact bipolar phototransistors
US-2020119217-A1 · Apr 16, 2020 · US
Methods and apparatus for vertically stacked multicolor light-emitting diode (LED) display
US-10517155-B2 · Dec 24, 2019 · US
Scalable graphene nanoribbon arrays for digital transistors
US-10490401-B1 · Nov 26, 2019 · US
Graphene fabrication method
US-2019322532-A1 · Oct 24, 2019 · US
Polymer for transferring graphene and transfer method of graphene using the same
US-2019256357-A1 · Aug 22, 2019 · US
Method for preparation of high-quality graphene on the surface of silicon carbide
US-2019226115-A1 · Jul 25, 2019 · US
Method for producing sic substrate provided with graphene precursor and method for surface treating sic substrate
US-2019136411-A1 · May 9, 2019 · US
Manufacturing method of micro-nano structure antireflective coating layer and display apparatus thereof
US-10274645-B2 · Apr 30, 2019 · US
Production of graphene materials directly from carbon/graphite precursor
US-2019077669-A1 · Mar 14, 2019 · US
Formation of Interlayer Covalent Bonds in Bilayer, Trilayer and Multilayer Graphene
US-2019055129-A1 · Feb 21, 2019 · US
Synthesis and processing of pure and NV nanodiamonds and other nanostructures
US-10211049-B2 · Feb 19, 2019 · US
Methods and apparatus for vertically stacked multicolor light-emitting diode (led) display
US-2019053347-A1 · Feb 14, 2019 · US
Conversion of carbon into n-type and p-type doped diamond and structures
US-10196754-B2 · Feb 5, 2019 · US
Large area deposition of graphene via hetero-epitaxial growth, and products including the same
US-10167572-B2 · Jan 1, 2019 · US
Manufacturing method of micro-nano structure antireflective coating layer and display apparatus thereof
US-2018143352-A1 · May 24, 2018 · US
Magnetic head, hard disk device, and method for transferring two-dimensional atomic crystal layer to head slider of magnetic head
US-9978402-B2 · May 22, 2018 · US
Method for preparing structured graphene on SiC substrate based on Cl2 reaction
US-9951418-B2 · Apr 24, 2018 · US
Method for preparing graphene
US-9850571-B2 · Dec 26, 2017 · US
Apparatus for layer control-based synthesis and method of using the same
US-2017292187-A1 · Oct 12, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/188?
- CPC C01B32/188 is the Cooperative Patent Classification code for “by epitaxial growth.”
- How many patents are filed under CPC C01B32/188 (by epitaxial growth)?
- Our database includes 93 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/188 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).